2020 · ソースブック（プレイを拡張するルール／オプション）

The Book of Random Tables: 1920s-1930s

A reference supplement for roleplaying games set in the 1920s and 1930s. It contains 31 random tables covering NPC names, warehouse and desk contents, mobster hideouts, fictional ancient texts, famous athletes, bestselling books, and other period details. More than 400 slang terms from the era are also included to support character creation and play.